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Chinese Journal of Lasers, Volume. 51, Issue 23, 2314001(2024)

Tunable and Broadband Hybrid Plasmonic Terahertz Waveguide Based on 3D Dirac Semimetals

Zijie Dai1,2, Longhao Lai1, Eryi Pan1, Yunxia Ye1, Mingyang Chen1、*, and Zhiming Huang2
Author Affiliations
  • 1School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu , China
  • 2State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
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    Structural diagrams of hybrid plasmonic waveguide based on 3D DSM

    Fig. 1. Structural diagrams of hybrid plasmonic waveguide based on 3D DSM

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    Dielectric constants of 3D DSM under different EF. (a) Re(ε); (b) Im(ε)

    Fig. 2. Dielectric constants of 3D DSM under different EF. (a) Re(ε); (b) Im(ε)

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    Waveguide characteristic parameters versus frequency when L=50 μm and EF=0.01 eV under different d. (a) Re(neff);

    Fig. 3. Waveguide characteristic parameters versus frequency when L=50 μm and EF=0.01 eV under different d. (a) Re(neff);

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    Mode field distributions when working frequency is 1.0 THz and EF=0.01 eV under different d

    Fig. 4. Mode field distributions when working frequency is 1.0 THz and EF=0.01 eV under different d

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    Waveguide characteristic parameters versus L when working frequency is 1.0 THz and d=0 μm under different EF.

    Fig. 5. Waveguide characteristic parameters versus L when working frequency is 1.0 THz and d=0 μm under different EF.

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    Mode field distributions when working frequency is 1.0 THz and d=0 μm under different EF and L

    Fig. 6. Mode field distributions when working frequency is 1.0 THz and d=0 μm under different EF and L

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    Waveguide characteristic parameters versus frequency when L=50 μm and d=0 μm under different EF. (a) Re(neff);

    Fig. 7. Waveguide characteristic parameters versus frequency when L=50 μm and d=0 μm under different EF. (a) Re(neff);

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    Zijie Dai, Longhao Lai, Eryi Pan, Yunxia Ye, Mingyang Chen, Zhiming Huang. Tunable and Broadband Hybrid Plasmonic Terahertz Waveguide Based on 3D Dirac Semimetals[J]. Chinese Journal of Lasers, 2024, 51(23): 2314001

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    Paper Information

    Category: terahertz technology

    Received: Apr. 22, 2024

    Accepted: May. 14, 2024

    Published Online: Dec. 13, 2024

    The Author Email: Chen Mingyang (mychen@ujs.edu.cn)

    DOI:10.3788/CJL240799

    CSTR:32183.14.CJL240799

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology